[INFO] updating cached repository https://github.com/kekonen/money
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3e27de495040bd78fb66fe1b55ef71fe92bc19e
[INFO] checking kekonen/money against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkekonen%2Fmoney" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kekonen/money on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kekonen/money
[INFO] finished tweaking git repo https://github.com/kekonen/money
[INFO] tweaked toml for git repo https://github.com/kekonen/money written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kekonen/money already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 37dcdf7816cbd1d78010ab11397080ef7c70163df5e5ba1a20209926dcafcc69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "37dcdf7816cbd1d78010ab11397080ef7c70163df5e5ba1a20209926dcafcc69"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking money v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/main.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Ok(v) => (),// println!("working with version: {:?}", v),
[INFO] [stderr]    |        ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut debtors = HashMap::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/main.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Ok(v) => (),// println!("working with version: {:?}", v),
[INFO] [stderr]    |        ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_book`
[INFO] [stderr]    --> src/main.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn read_book(&mut self, book: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bookPath` should have a snake case name
[INFO] [stderr]    --> src/main.rs:203:18
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn open_book(bookPath: &str) -> BookReader {
[INFO] [stderr]     |                  ^^^^^^^^ help: convert the identifier to snake case: `book_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bBook` should have a snake case name
[INFO] [stderr]    --> src/main.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let mut bBook = BookReader::new();
[INFO] [stderr]     |                 ^^^^^ help: convert the identifier to snake case: `b_book`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bBook` should have a snake case name
[INFO] [stderr]    --> src/main.rs:447:13
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let mut bBook = match file_match {
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `b_book`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut debtors = HashMap::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_book`
[INFO] [stderr]    --> src/main.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn read_book(&mut self, book: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bookPath` should have a snake case name
[INFO] [stderr]    --> src/main.rs:203:18
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn open_book(bookPath: &str) -> BookReader {
[INFO] [stderr]     |                  ^^^^^^^^ help: convert the identifier to snake case: `book_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bBook` should have a snake case name
[INFO] [stderr]    --> src/main.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let mut bBook = BookReader::new();
[INFO] [stderr]     |                 ^^^^^ help: convert the identifier to snake case: `b_book`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bBook` should have a snake case name
[INFO] [stderr]    --> src/main.rs:447:13
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let mut bBook = match file_match {
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `b_book`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.42s
[INFO] running `"docker" "inspect" "37dcdf7816cbd1d78010ab11397080ef7c70163df5e5ba1a20209926dcafcc69"`
[INFO] running `"docker" "rm" "-f" "37dcdf7816cbd1d78010ab11397080ef7c70163df5e5ba1a20209926dcafcc69"`
[INFO] [stdout] 37dcdf7816cbd1d78010ab11397080ef7c70163df5e5ba1a20209926dcafcc69